Description: Cyanotype, Camp F.L. Guenther, U.S. Coast Artillery at the Pan-American Exposition, Buffalo, New York, 1901, SIA RU000095, USNM No. 13763.
Description: Cyanotype, Riker Electric Mail Wagon vehicle for exhibition by Post Office Department at Pan-American Exposition, Buffalo, New York, 1901, USNM No. 13751.